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v3.19.1

Related Party Transactions (Details) |  | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 08, 2016 USD ($) $ / shares | Sep. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Dec. 31, 2018 USD ($) engine aircraft | Dec. 31, 2017 USD ($) engine | Dec. 31, 2016 USD ($) | Sep. 12, 2018 USD ($) $ / shares | Apr. 01, 2016 USD ($) | Mar. 31, 2016 $ / shares
Related Party and Similar Transactions |  |  |  |  |  |  |  |  |
Repurchased price | $ / shares | $ 24.95 |  |  |  |  |  | $ 34.2972 |  | $ 21.59
Number of shares repurchased | $ 40,000 |  |  |  |  |  | $ 88,000 |  |
Percentage of difference in repurchase and closing price | 2.00% |  |  |  |  |  |  |  |
Closing price | $ / shares | $ 25.46 |  |  |  |  |  |  |  |
Revenue |  |  |  | $ 87,009,000 | $ 80,189,000 | $ 57,091,000 |  |  |
WMES |  |  |  |  |  |  |  |  |
Related Party and Similar Transactions |  |  |  |  |  |  |  |  |
Number of engines sold to third party | engine |  |  |  | 2 | 2 |  |  |  |
Number of aircraft sold to third party | aircraft |  |  |  | 1 |  |  |  |  |
Proceeds from sale of engines and aircraft to third party |  |  |  | $ 30,700,000 |  |  |  |  |
Proceeds from sale of engine |  |  |  |  | $ 14,800,000 |  |  |  |
WMES | Other Revenue [Member] |  |  |  |  |  |  |  |  |
Related Party and Similar Transactions |  |  |  |  |  |  |  |  |
Revenue |  |  |  | $ 2,600,000 | $ 2,400,000 | $ 2,100,000 |  |  |
Type of Revenue [Extensible List] |  |  |  | us-gaap:AssetManagement1Member | us-gaap:AssetManagement1Member | us-gaap:AssetManagement1Member |  |  |
CASC Willis |  |  |  |  |  |  |  |  |
Related Party and Similar Transactions |  |  |  |  |  |  |  |  |
Number of engines sold to third party | engine |  |  |  |  | 1 |  |  |  |
Proceeds from sale of engine |  |  |  |  | $ 11,200,000 |  |  |  |
Chief Executive Officer |  |  |  |  |  |  |  |  |
Related Party and Similar Transactions |  |  |  |  |  |  |  |  |
Amounts of utilization and reimbursed |  | $ 450 |  |  |  |  |  |  |
Number of shares repurchased |  |  |  |  |  |  |  | $ 60,000 |
Purchase of artwork by CEO |  |  | $ 5,000 |  |  |  |  |  |
Mikchalk Lake LLC |  |  |  |  |  |  |  |  |
Related Party and Similar Transactions |  |  |  |  |  |  |  |  |
Expenses paid |  |  |  | $ 44,000 | $ 80,000 |  |  |  |

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